1.
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Paris : Editions Dixit, 1996.
French | N 634 LAN.R |
|
2.
|
London, U.K. : Kluwer Law International, 1999.
English | N 711 HOF.E |
|
3.
|
Paris : Nathan, communication, 1989.
English | D 432 SEG.D |
|
4.
|
Crans-Près-Céligny : Ava Pub., c2003.
English | D 810 ZWI.D |
|